CN1901278A - Plane inverse F type antenna and its producing method - Google Patents
Plane inverse F type antenna and its producing method Download PDFInfo
- Publication number
- CN1901278A CN1901278A CN200510041153.1A CN200510041153A CN1901278A CN 1901278 A CN1901278 A CN 1901278A CN 200510041153 A CN200510041153 A CN 200510041153A CN 1901278 A CN1901278 A CN 1901278A
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- China
- Prior art keywords
- radiation
- department
- planar inverted
- antenna
- shape antenna
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2216—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in interrogator/reader equipment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
- H01Q5/364—Creating multiple current paths
- H01Q5/371—Branching current paths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Waveguide Aerials (AREA)
Abstract
This invention relates to an inverse-F antenna and its preparation method, in which, the antenna includes a radiation part, an earth part and a connecting part connecting them, the radiation frequency is at the bands of 900MHz and 1800MHz, the processing method includes: 1, selecting a rectangular metal plate, 2, determining the length of the antenna radiation part according to the working bands 900 and 1800MHz of the antenna, 3, determining the height and shape of the connecting part based on the impedance match necessary for the antenna, 4, opening recesses on the metal plate based on said computing result to get a radiation part, a connecting part and an earth part based on the computed result, 5, determining feeding points based on impedance match and providing feed lines electrically connected at the feed points.
Description
[technical field that the present invention belongs to]
The invention relates to a kind of antenna and preparation method thereof, refer to a kind of planar inverted F-shape antenna and preparation method thereof that is applied in the mobile electronic equipment especially.
[background technology]
Along with making rapid progress of modern communication technology, increasing mobile electronic equipment such as notebook computer etc. all are equipped with antenna, so that it can insert a wireless lan (wlan) job.At present, wireless local area is mostly based on bluetooth (Bluetooth) technical standard or IEEE802.11 series standard.The working band of antenna falls within 2.4GHz in the Bluetooth technology standard, and the working band of antenna falls within 2.4GHz and 5GHz respectively in the IEEE802.11 series technique standard.Therefore, the antenna in the present notebook computer is the antenna that is applied to above-mentioned frequency band mostly.
Yet, following mobile electronic equipment will be not content with and only insert one and can not move that (the signal maximum transmission distance has only 10 meters in the Bluetooth technology, the electronic equipment that allow to insert this system hardly moves) or the WLAN (wireless local area network) of moving range very little (signal transmission ultimate range also has only 150 meters in the IEEE802.11 series standard, only limits to moving between the office).It is the target that pursue the communications field that mobile electronic equipment is inserted wireless wide area network (WWAN).Insert mobile office, amusement that the mobile electronic equipment of WWAN can be wider.The WWAN in the whole world mainly adopts two big technology at present---and be respectively GSM and CDMA technology.And to make mobile electronic equipment such as notebook computer can insert the GSM network, the antenna of using in the notebook just must be able to work in the frequency band of GSM network work, i.e. 900/1800MHz.Yet at present the antenna of laptop computer applications is to work in 2.4GHz and 5GHz frequency band mostly, and the used antenna of mobile phone that can insert the GSM network is unsuitable for placing notebook computer because of factors such as size or power mostly.Chinese patent is announced CN2689482Y number and has been disclosed a kind of three frequency inverse-F antennas, this antenna has three Departments of Radiation, it works in 1800MHz, 900MHz and 2450MHz frequency band respectively, thereby can insert in the electronic equipments such as notebook computer so that it can insert the GSM network work.Yet above-mentioned inverse-F antenna adopts stereochemical structure, and Department of Radiation, short-circuit piece and ground plane are positioned at Different Plane, and complex structure and institute take up space bigger, be unfavorable for suitability for industrialized production and save cost, and the trend of incompatibility antenna miniaturization development.
Therefore, be necessary to improve existing antenna, to solve above-mentioned defective of the prior art.
[summary of the invention]
The object of the present invention is to provide a kind of simple in structure and planar inverted F-shape antenna that size is less.
Another object of the present invention is to provide a kind of manufacture method of above-mentioned planar inverted F-shape antenna.
Planar inverted F-shape antenna of the present invention is to be applied in the mobile electronic equipment, it comprises Department of Radiation, grounding parts and the connecting portion that connects Department of Radiation and grounding parts, described Department of Radiation comprises first Department of Radiation that works in the 900MHz frequency band and second Department of Radiation that works in the 1800MHz frequency band, and described Department of Radiation, grounding parts and connecting portion are in same plane.
The manufacture method of planar inverted F-shape antenna of the present invention is as follows: the first step: choose a rectangular metal sheet; Second step: the length of determining first Department of Radiation and second Department of Radiation of antenna according to frequency band 900, the 1800MHz of planar inverted F-shape antenna work; The 3rd step: height and the shape thereof of determining connecting portion according to the required impedance matching of planar inverted F-shape antenna; The 4th step: in metal plate-like portion, offer Department of Radiation, connecting portion and the grounding parts that groove obtains planar inverted F-shape antenna according to the aforementioned calculation result; The 5th step: determine the feedback point according to the impedance matching demand, and the feeder line that is electrically connected at the feedback point is provided.
Compared with prior art, the antenna advantage that the present invention makes is: the simple in structure and institute of planar inverted F-shape antenna of the present invention takes up space less, helps suitability for industrialized production and saves cost, and be adapted to the trend of antenna miniaturization development.
[description of drawings]
Fig. 1 is the vertical view of planar inverted F-shape antenna of the present invention.
Fig. 2 is the electromagnetic radiation field pattern of planar inverted F-shape antenna of the present invention X-Y horizontal polarization when being operated in the 900MHz frequency.
Fig. 3 is the electromagnetic radiation field pattern of planar inverted F-shape antenna of the present invention X-Y perpendicular polarization when being operated in the 900MHz frequency.
Fig. 4 is the electromagnetic radiation field pattern of planar inverted F-shape antenna of the present invention X-Y horizontal polarization when being operated in the 1800MHz frequency.
Fig. 5 is the electromagnetic radiation field pattern of planar inverted F-shape antenna of the present invention X-Y perpendicular polarization when being operated in the 1800MHz frequency.
Fig. 6 is voltage standing wave ratio (Voltage Standing WaveRadio, the VSWR) resolution chart of planar inverted F-shape antenna of the present invention.
[embodiment]
See also shown in Figure 1ly, planar inverted F-shape antenna 1 of the present invention is assembled in the electronic equipment in order to receive or to transmit, and in the present embodiment, this electronic equipment is notebook computer (not shown).This planar inverted F-shape antenna 1 comprises Department of Radiation 2, grounding parts 4 and the connecting portion 3 that connects Department of Radiation 2 and grounding parts 4.
Department of Radiation 2 comprises first Department of Radiation 21 and strip second Department of Radiation 22 that forms along the first direction horizontal-extending, and wherein, first Department of Radiation 21 is low frequency radiation portions, and second Department of Radiation 22 is high-frequency radiation part.First Department of Radiation 21 is L-shaped, it comprise along above-mentioned first direction be parallel to first 210 that second Department of Radiation 22 extends to form and along second direction perpendicular to first 210 and the second portion 211 that extends towards grounding parts 4 directions from first's 210 ends, design can be avoided because of first Department of Radiation, the 21 long sizes that increase planar inverted F-shape antenna 1 like this.Connecting portion 3 is used for connecting first, second Department of Radiation 21,22 and grounding parts 4, and it roughly is " ㄣ " shape.Connecting portion 3 comprise in turn the second portion that is parallel to first Department of Radiation 21 211 that connects and connect the first side 31 of first, second Department of Radiation 21,22,31 ends extend and two ends are vertically connected at the 3rd side 33 of second side 32 and grounding parts 4 respectively towards second side 32 that second portion 211 extends to form and along above-mentioned second direction along above-mentioned first direction from the first side.Grounding parts 4 is rectangle lamellar bodies, and it is connected and is parallel to second side 32 with the 3rd side 33 is vertical.Feedback point 5 is the signal tie point, is located at second side 32 near the 3rd side 33 1 points.Feeder line 6 is connected from feedback point 5 extension downwards and with grounding parts 4.Feeder line 6 comprises inner wire 61, the inner insulating layer 63 that coats inner wire 61 that is welded in feedback point 5, the insulating outer layer (not label) that is welded in the wire sheathing 62 and the clad metal braid 62 of grounding parts 4.
Be enclosed to form the fluting 7 that width equals the 3rd side 33 length between the second and the 3rd side 32,33 of connecting portion 3 and the long limit of grounding parts 4, the position of promptly regulating the length of the 3rd side 33 and feedback point 5 by the width of regulating this fluting 7 can make the HFS of second Department of Radiation 22 reach the emission band of broad and radiation effect preferably.
First Department of Radiation 21 constitutes first planar inverted F-shape antenna with connecting portion 3, grounding parts 4, is used for receiving or the emission low frequency signals; Second Department of Radiation 22 constitutes second planar inverted F-shape antenna with connecting portion 3, grounding parts 4, is used for receiving or the emission higher frequency signals.
Fig. 2 packs into to the present invention of being shown in Figure 5 after the notebook computer, when operating frequency is respectively 900MHz and 1800MHz and level on the X-Y plane and perpendicular polarization electromagnetic radiation field pattern, by test result as can be known, the average gain of two kinds of operating frequency lower plane inverted F shaped antennas 1 all can meet the demands.
See also shown in Figure 6, the voltage standing wave(VSW) ratio of planar inverted F-shape antenna 1 of the present invention is being worked between 880-920MHz and the 1710-2180MHz all less than 2, showing promptly that planar inverted F-shape antenna 1 of the present invention has both can be operated in higher frequency band and also can be operated in lower frequency band and cover the low-frequency range (880-960MHz) of GSM network substantially and cover the high band (1710-1880MHz) of GSM network fully, can realize wide band characteristic when being operated in higher frequency band simultaneously.
The manufacture method of planar inverted F-shape antenna of the present invention may further comprise the steps: the first step: choose a rectangular metal sheet; Second step: according to planar inverted F-shape antenna 1 required 900, the 1800MHz working band determines the length of Department of Radiation 2; The 3rd step: length and the shape thereof of determining connecting portion 3 according to planar inverted F-shape antenna 1 required impedance matching; The 4th step: on sheet metal, offer Department of Radiation 2, connecting portion 3 and the grounding parts 4 that groove obtains planar inverted F-shape antenna according to the aforementioned calculation result; The 5th step: determine feedback point 5 according to the impedance matching demand, and the feeder line 6 that is electrically connected at feedback point 5 is provided.
Claims (10)
1. planar inverted F-shape antenna, be applied in the mobile electronic equipment, it comprises Department of Radiation, grounding parts and the connecting portion that connects Department of Radiation and grounding parts, it is characterized in that: described Department of Radiation comprises first Department of Radiation that works in the 900MHz frequency band and second Department of Radiation that works in the 1800MHz frequency band, and described Department of Radiation, grounding parts and connecting portion are in same plane.
2. planar inverted F-shape antenna as claimed in claim 1, it is characterized in that: described second Department of Radiation forms along first direction, and described first Department of Radiation has the first parallel with second Department of Radiation and extends second portion perpendicular to first along second direction.
3. planar inverted F-shape antenna as claimed in claim 1 is characterized in that: described connecting portion comprises first side, second side and the 3rd side.
4. planar inverted F-shape antenna as claimed in claim 3 is characterized in that: the first of the first side of described connecting portion and first Department of Radiation and second Department of Radiation be vertical to be connected and parallel with the second portion of first Department of Radiation.
5. planar inverted F-shape antenna as claimed in claim 4 is characterized in that: the second side of described connecting portion extends to form and vertical first side and the 3rd side along first direction, and the 3rd side is vertically connected at grounding parts.
6. planar inverted F-shape antenna as claimed in claim 5 is characterized in that: be provided with fluting between described second side, the 3rd side and the grounding parts.
7. planar inverted F-shape antenna as claimed in claim 3 is characterized in that: described feedback point is located at the second side a bit.
8. the manufacture method of a planar inverted F-shape antenna may further comprise the steps:
The first step: choose a rectangular metal sheet;
Second step: the length of determining antenna first Department of Radiation and second Department of Radiation according to frequency band 900, the 1800MHz of planar inverted F-shape antenna work;
The 3rd step: height and the shape thereof of determining connecting portion according to the required impedance matching of planar inverted F-shape antenna;
The 4th step: on sheet metal, offer first, second Department of Radiation, connecting portion and the grounding parts that groove obtains planar inverted F-shape antenna according to the aforementioned calculation result;
The 5th step: determine the feedback point according to the impedance matching demand, and the feeder line that is electrically connected at the feedback point is provided.
9. as the manufacture method of claim 8 a described planar inverted F-shape antenna, it is characterized in that: described second Department of Radiation forms along first direction, described first Department of Radiation is L-shaped, and it has the first parallel with second Department of Radiation and extends along the second direction vertical with first direction and perpendicular to the second portion of first.
10. the manufacture method of planar inverted F-shape antenna as claimed in claim 8, it is characterized in that: described connecting portion comprises first side, second side and the 3rd side, the first of described first side and first Department of Radiation and second Department of Radiation be vertical to be connected and parallel with described second portion, described second side is along the first direction extension and perpendicular to first side and the 3rd side, and the 3rd side is vertically connected at grounding parts.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510041153.1A CN1901278A (en) | 2005-07-22 | 2005-07-22 | Plane inverse F type antenna and its producing method |
| US11/491,602 US7375686B2 (en) | 2005-07-22 | 2006-07-24 | Planar inverted F antenna and method of making the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510041153.1A CN1901278A (en) | 2005-07-22 | 2005-07-22 | Plane inverse F type antenna and its producing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1901278A true CN1901278A (en) | 2007-01-24 |
Family
ID=37657071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510041153.1A Pending CN1901278A (en) | 2005-07-22 | 2005-07-22 | Plane inverse F type antenna and its producing method |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7375686B2 (en) |
| CN (1) | CN1901278A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299417A (en) * | 2011-06-10 | 2011-12-28 | 哈尔滨工业大学 | Miniaturized reconfigurable antenna device of PIFA (planar invert-F antenna) |
| CN102884679A (en) * | 2010-12-24 | 2013-01-16 | 松下电器产业株式会社 | Antenna device |
| CN103825087A (en) * | 2012-11-19 | 2014-05-28 | 富士通株式会社 | Planar inverted-F antenna |
| CN104022342A (en) * | 2014-06-13 | 2014-09-03 | 昆山联滔电子有限公司 | Inverted-F-shaped antenna |
| CN104795623A (en) * | 2014-01-16 | 2015-07-22 | 宏达国际电子股份有限公司 | Mobile device and manufacturing method thereof |
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| US20080094303A1 (en) * | 2006-10-19 | 2008-04-24 | Speed Tech Corp. | Planer inverted-F antenna device |
| US7466274B2 (en) * | 2006-12-20 | 2008-12-16 | Cheng Uei Precision Industry Co., Ltd. | Multi-band antenna |
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2005
- 2005-07-22 CN CN200510041153.1A patent/CN1901278A/en active Pending
-
2006
- 2006-07-24 US US11/491,602 patent/US7375686B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102884679A (en) * | 2010-12-24 | 2013-01-16 | 松下电器产业株式会社 | Antenna device |
| CN102299417A (en) * | 2011-06-10 | 2011-12-28 | 哈尔滨工业大学 | Miniaturized reconfigurable antenna device of PIFA (planar invert-F antenna) |
| CN103825087A (en) * | 2012-11-19 | 2014-05-28 | 富士通株式会社 | Planar inverted-F antenna |
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| CN103825087B (en) * | 2012-11-19 | 2017-04-12 | 富士通株式会社 | Planar inverted-F antenna |
| CN104795623A (en) * | 2014-01-16 | 2015-07-22 | 宏达国际电子股份有限公司 | Mobile device and manufacturing method thereof |
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| CN104022342A (en) * | 2014-06-13 | 2014-09-03 | 昆山联滔电子有限公司 | Inverted-F-shaped antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| US7375686B2 (en) | 2008-05-20 |
| US20070018892A1 (en) | 2007-01-25 |
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Application publication date: 20070124 |